Spot Forecast
Issued by NWS Melbourne, FL
Issued by NWS Melbourne, FL
392 FNUS72 KMLB 210855 FWSMLB Spot Forecast for Headwater Lake...SJRWMD National Weather Service Melbourne FL 455 AM EDT Fri Jun 21 2024 Forecast is based on ignition time of 0600 EDT on June 21. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION...Considerable clouds this morning then becoming partly to mostly sunny. Light and variable winds early will become south then increase from the southeast behind the sea breeze late this afternoon. Hot and humid with peak heat indices near 105 this afternoon with low rain/storm chances. .TODAY... Sky/weather.........Mostly Sunny after morning low clouds. Slight chance of showers and thunderstorms in the afternoon. Chance of pcpn......20 percent. LAL.................No Tstms until 1300, then 1-8 strikes until 1700. Max temperature.....Around 93. Min humidity........55 percent. Wind (20 ft)........Light winds becoming southeast 5 to 12 mph late in the morning, then increasing to around 13 mph late in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......1900 ft AGL increasing to 6200 ft AGL. Transport winds.....Northwest around 3 mph shifting to the south 3 to 12 mph early in the morning. Dispersion index....6 increasing to 23 late in the morning, then increasing to 40 early in the afternoon increasing to 59 late in the afternoon decreasing to 48. LVORI...............7 decreasing to 2. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........40 41 36 35 20 18 9 30 30 30 30 30 Weather cov..... SCH SCH SCH SCH SCHC Weather type.... RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH SCHC Chc of pcpn (%).10 0 0 10 10 10 10 20 20 20 20 20 LAL.............1 1 1 1 1 1 1 2 2 2 2 2 Temp............74 74 76 80 84 87 88 91 92 93 93 92 RH..............97 97 99 85 76 69 63 58 57 55 56 59 20 FT wind dir..W W SW SW SW S S SE SE SE SE SE 20 FT wind spd..3 3 3 3 3 5 6 7 8 9 12 13 20 FT wind gust.5 5 6 6 6 8 10 12 14 15 15 17 Mix hgt (kft)...0.4 0.4 1.1 1.9 2.8 3.6 4.4 5.1 5.7 6.2 5.5 4.6 Transp wind dir.NW NW S S S S S S S S SE SE Transp wind spd.3 3 3 3 5 6 7 7 8 10 10 12 Dispersion idx..2 2 5 9 19 27 35 44 56 62 55 48 LVORI...........7 7 6 4 3 3 2 1 1 1 1 1 .TONIGHT... Sky/weather.........Mostly clear. Chance of showers and thunderstorms in the evening. Slight chance of showers and thunderstorms overnight. Chance of pcpn......30 percent. LAL.................1-8 strikes until 1900, then 9-15 strikes until 2000, then 1-8 strikes until 2400, then No Tstms until 0200, then 1-8 strikes until 0400, then No Tstms. Min temperature.....Around 76. Max humidity........97 percent. Wind (20 ft)........Southeast winds 5 to 13 mph. Gusty and erratic winds expected near thunderstorms early in the evening. Gusty and erratic winds expected near thunderstorms early in the evening, then gusty and erratic winds expected near thunderstorms overnight. Mixing height.......1900 ft AGL decreasing to 400 ft AGL early in the evening. Transport winds.....Southeast 8 to 15 mph. Dispersion index....43 decreasing to 7 early in the evening. LVORI...............2 increasing to 7. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........30 14 23 36 27 20 Weather cov.....S CHC CHANCE S CHC S CHC Weather type....RNSHWR RNSHWR RNSHWR NONE RNSHWR NONE Tstm cov........S CHC S CHC S CHC S CHC Chc of pcpn (%).20 30 20 10 20 10 LAL.............2 2 2 1 2 1 Temp............89 86 82 80 78 77 RH..............64 71 79 87 91 94 20 ft wind......SE 13 SE 12 SE 10 SE 8 SE 6 SE 6 20 ft wind gust.16 15 14 12 8 7 Mix hgt (ft)....3300 1200 500 500 400 400 Transport wind..SE 14 SE 15 SE 14 SE 12 S 9 S 8 Dispersion idx..46 10 9 5 4 4 LVORI...........1 3 4 5 6 7 .SATURDAY... Sky/weather.........Mostly sunny. Chance of showers and slight chance of thunderstorms early in the morning. Showers likely and chance of thunderstorms late in the afternoon. Chance of pcpn......60 percent. LAL.................No Tstms until 0800, then 1-8 strikes until 1400, then 9-15 strikes. Max temperature.....Around 91. Min humidity........68 percent. Wind (20 ft)........Southeast winds 5 to 12 mph. Gusty and erratic winds expected near thunderstorms early in the morning. Mixing height.......1900 ft AGL increasing to 3800 ft AGL in the late morning and afternoon. Transport winds.....Southeast 6 to 12 mph. Dispersion index....7 increasing to 47. LVORI...............7 increasing to 9 early in the morning, then decreasing to 6 early in the morning decreasing to 4 late in the morning decreasing to 1. TIME (EDT) 6 AM 9 AM NOON 3 PM Sky (%).........24 7 34 41 Weather cov..... CHANCE CHANCE LIKELY Weather type....NONE RNSHWR RNSHWR RNSHWR Tstm cov........ S CHC S CHC CHANCE Chc of pcpn (%).10 40 40 60 LAL.............1 2 2 3 Temp............77 82 88 89 RH..............94 88 72 69 20 FT wind......SE 5G7 SE 6G8 SE 9G14 SE 12G17 Mix hgt (ft)....400 1900 3600 3800 Transport wind..S 7 SE 7 SE 8 SE 12 Dispersion idx..3 18 39 47 LVORI...........7 4 3 1 $$ Forecaster...Kelly Requested by...Chris OHara Type of request...PRESCRIBED .TAG 2416454.0/MLB .DELDT 06/21/24 .FormatterVersion 2.0.0 .EMAIL cohara@sjrwmd.com